Control of Kurmangazy had been disputed by Kazakhstan and Russia until May, when the two countries agreed to develop the territory on an equal basis.
Lukoil had a planned for some time to take a 50% stake in the project's development.
However, according to the memorandum, Gazprom will back the nomination of Rosneft to receive half of the Russian stake and assume the role of project co-ordinator on behalf of Russia.
In
